Hi, to rescale, you should take a savepoint, stop the job, then restart from the savepoint with your new desired parallelism. This way, no data will be lost.
Best, Nico On Thu, Nov 25, 2021 at 10:53 AM 杨浩 <yangha...@163.com> wrote: > Will Flink loss some old Keyed State when changing the parallelism, like 2 > -> 5, or 5->3? > > > > > > >
